Merge pull request #262 from offlinehacker/fix/stage_2_lib_var_db

stage-2-init: create /var/lib and /var/db at boot, so some modules that create user home folders here don't fail

modules/system/boot/stage-2-init.sh

@@ -86,7 +86,7 @@ mount -t tmpfs -o "rw,nosuid,nodev,size=@devShmSize@" tmpfs /dev/shm
 mkdir -m 0755 -p /dev/pts
 [ -e /proc/bus/usb ] && mount -t usbfs none /proc/bus/usb # UML doesn't have USB by default
 mkdir -m 01777 -p /tmp
-mkdir -m 0755 -p /var /var/log
+mkdir -m 0755 -p /var /var/log /var/lib /var/db
 mkdir -m 0755 -p /nix/var
 mkdir -m 0700 -p /root
 mkdir -m 0755 -p /bin # for the /bin/sh symlink